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{{More citations needed|date=April 2023}}
{{short description|Range of Apple Macintosh PowerBook portable computers}}
{{Use mdy dates|date=October 2013}}
{{Infobox information appliance
| name = PowerBook 500 series
| logo =
| image = 540c open.jpg
| caption = The PowerBook 540c
| aka =
| developer = [[Apple Inc.|Apple Computer]]
| manufacturer = [[Apple Inc.|Apple Computer]]
| family = [[PowerBook]]
| type = [[Portable computer]]
| generation =
| releasedate = {{Start date and age|1994|05|16}}
| discontinued = {{End date|1996|04|01}}
| lifespan = {{A.y|1994|05|16|1996|04|01}}
| price =
| unitssold =
| unitsshipped =
| media =
| os = [[System 7]].1.1 (520/540 only)<br />System 7.5–[[Mac OS 8]].1 or with [[PowerPC]] upgrade, [[Mac OS 9]].1
| power =
| soc =
| cpu = [[Motorola 68LC040]] @ 25 MHz (520) or 33 MHz (540)<br />[[Motorola 68040]] @ 33 MHz (550c)
| memory = 4–36 MB
| storage = 160–750 MB
| memory card =
| display =
| graphics =
| sound =
| input =
| touchpad = Built-in
| connectivity =
| platform = Macintosh
| service =
| dimensions =
| weight =
| topgame =
| compatibility =
| predecessor = [[PowerBook 100 series|PowerBook 100]]
| successor = [[PowerBook 190]]
| related =
| website =
| title =
}}
[[Image:PowerBook 500 rear detail.jpg|thumb|280px|The door on the 550c is removed, and some trim on the 520c is removed, showing the external interfaces.<br>Ports from left to right are: Power in, printer/modem, sound in, sound out, [[Apple Desktop Bus|ADB]], [[Apple Attachment Unit Interface|AAUI]], monitor out, [[SCSI|<abbr title="Small Computer System Interface">SCSI</abbr>]] (HDI-30 connector), modem port, and Kensington key-lock. Note the 550c hinge cover is darker. Note the labels on the door needed to identify the internal modem (FCC info on the "PowerPort" label, Canadian on other two). The 100–240 V power supply is on top.]]
The '''PowerBook 500 series''' (codenamed ''Blackbird'', which it shared with the older [[Macintosh IIfx]]) is a range of [[Mac (computer)|Apple Macintosh]] [[PowerBook]] [[portable computer]]s first introduced by [[Apple Inc.|Apple Computer]] with the 540c model on May 16, 1994. It was the first to have stereo speakers, a trackpad, and [[Ethernet]] networking built-in.<ref>{{Cite web|url=http://www.laptopmag.com/mobile-life/features/landmark-laptops.aspx?page=5|title=Landmark Laptops: The most important notebooks in computing history – Apple PowerBook 500 Series|website=Laptop Magazine|archive-url=https://web.archive.org/web/20120627115438/http://www.laptopmag.com/mobile-life/features/landmark-laptops.aspx?page=5|archive-date=June 27, 2012|access-date=May 8, 2017}}</ref>
It was the first PowerBook series to use a [[Motorola 68040#Variants|Motorola 68LC040 CPU]] (simultaneous with [[PowerBook Duo|Duo 280]]) and be upgradeable to the [[PowerPC]] architecture via a swap-out CPU daughter card (with the PowerPC and 68040 upgrades for sale), use 9.5-inch displays, 16-bit stereo sound with stereo speakers, have an expansion bay, [[PC Card]] capability, two battery bays (and a ten-minute sleep/clock battery, which allowed for main batteries to be swapped out while in sleep mode), full-size keyboard with F1–F12 function keys, be able to sleep while connected to an external monitor and have a battery contact cover included on the actual batteries. Furthermore, it included a single serial port, which could be to connect to a serial printer or a network via Apple's [[LocalTalk]]. In another first, it also included an [[Apple Attachment Unit Interface|AAUI]] port for connecting to [[Ethernet]] networks.
The 500 series was discontinued completely with the introduction of the ill-fated [[PowerBook 5300]]. The [[PowerBook 190]] was the ''de facto'' successor to the 500 and continued the only 68LC040 processor offering as the low end of the PowerPC-based PowerBook family.
In a survey taken in November 2000, ''Insanely Great Macintosh'' ranked the 540c No. 2 on its list of the all-time best PowerBook models made.<ref>{{Cite web|url=http://www.insanely-great.com/features/112900.html|title=Top 10 Best PowerBooks of All Time|last=Davison|first=Remy|date=November 29, 2000|website=Insanely Great Mac|archive-url=https://web.archive.org/web/20060324140419/http://www.insanely-great.com/features/112900.html|archive-date=March 24, 2006|access-date=May 8, 2017}}</ref>
==History==
The PowerBook 500 series was introduced on May 16, 1994, with the high-end active matrix LCD PowerBook 540c and 540, with the passive matrix 520c and 520 soon after. One of its marketing highlights was the promise of a PowerPC upgrade to its CPU and PC Card ([[PCMCIA]]) expansion. The introduction of this model came at the time of Apple's changeover to the new PowerPC chip from the 68k line of CPUs, and Apple's advertising and promise of the PowerPC was the cause of headaches to the company.{{citation needed|date=May 2014}} The strong demand for its ground-breaking design and Apple's incorrect market prediction that customers would wait for the fully PowerPC PowerBooks resulted in shortages early on.<ref>{{cite web|url=http://www.sfgate.com/business/article/POWER-MAC-TOO-POPULAR-3150434.php|title=POWER MAC TOO POPULAR|date=March 15, 1995|website=[[San Francisco Examiner]]|access-date=June 25, 2016|archive-date=March 4, 2016|archive-url=https://web.archive.org/web/20160304234515/http://www.sfgate.com/business/article/POWER-MAC-TOO-POPULAR-3150434.php|url-status=live}}</ref>
In August 1995 the 540 was dropped from the line, 8 MB of additional memory and the modem was offered installed from the factory, hard drive capacity was increased (from 160 and 240 to 320 and 500 MB), and the installed system upped from System 7.1.1 to 7.5. The PC Card Cage was also released, allowing Macintosh users to add PCMCIA capability to their laptops for the first time.
In 1995 Apple Japan introduced an updated version, called the 550c, with a bigger display (10.4-inches), CPU with FPU ([[68040]]), bigger hard drive, and Japanese keyboard with black case. It was only sold in Japan and never received FCC certification.
With delays for the new PowerPC PowerBook 5300, demand for the PPC upgrade mounted, and [[Newer Technology]] began to market the upgrade before Apple did, although they had produced the upgrade modules for Apple first. They also offered 117 MHz versions over Apple's "100 MHz" (actually 99 MHz) offering. Soon thereafter,{{When|date=June 2016}} Newer Technology introduced a 167 MHz model that outperformed the fastest [[PowerBook 5300]], the $6,800 5300ce, at a time when problems with that line became a real issue to Apple.
About the time Apple introduced the [[PowerBook 1400]], Newer Technology introduced a 183 MHz upgrade with 128 KB of L2 cache that kept it ahead of the power curve in performance. Newer Technology stated they could not produce more of the 183 MHz upgrades because the supply of connectors was exhausted.
== Impact on the industry ==
This laptop was the first in the industry to include:
* 16-bit stereo sound @ 44.1 kHz (typical was 8-bit mono @ 22 kHz);
* Trackpad
* Stereo speakers (located in upper corners of screen);
* Ethernet via [[Apple Attachment Unit Interface|AAUI]] (a transceiver was used to connect to either UTP or coaxial type wiring);
* Non-specialized internal expansion bay for connecting many types of devices ([[Processor Direct Slot|PDS]] connector in left battery bay);
* "Intelligent" NiMH batteries (that is, had on-board circuitry to monitor health of battery);
* CPU on a daughter card.
And among Apple's PowerBook line, the first to have:
* 68LC040 (with Duo 280), or 68040 (in Japanese model) CPU standard;
* PowerPC 603e CPU as an upgrade;
* 10.4" display (550c in Japan);
* Dual Scan passive color and B+W screens;
* CPU on daughtercard (first in any Mac, facilitating PowerPC and 68040 upgrades);
* Expansion bay ([[Processor Direct Slot|PDS]] connector in left battery bay);
* PC Card capability (PCMCIA) via module;
* Two battery bays (and a 10-minute sleep/clock battery);
* Full-size keyboard with function keys (F1–F12);
* Sleep while connected to external monitor;
* Battery contact cover included on the batteries.
==Engineering==
===Variations across the range===
Although the 500 "Blackbird" prototypes were black, only one of the five production models was completely black; that was the 550c, sold only in Japan. The 550c differed from the four two-tone grey models in a few other key respects as well, including a larger active-matrix color screen, a combined Latin/Kana keyboard, and a full [[Motorola 68040|68040]] processor. The other models were all charcoal grey with darker grey trim, came with a variety of displays (active/passive matrix; color or greyscale), and used the [[68LC040]] processor (a low-cost variant without a [[math co-processor|math coprocessor]]). The full-sized keyboard with 12 [[function key]]s, and [[Graphics display resolution#640 × 480 (VGA)|640×480]] resolution display was consistent across the family.
===Optional internal modem===
The modem was developed with [[Global Village Communication|Global Village]], and is a unique two-part design. The transceiver with the modem connector is installed in the back, and the modem itself is located next to the CPU daughter card. It was a [[V.32terbo]], and had a top rate of 19.2 KB/s, but only with other V.32terbo modems as there was no official standard. Otherwise, it would drop to 14.4 KB/s. Due to a bug with the new combined printer/modem port, the driver had to be upgraded to 2.5.5, and the Chooser was replaced in the GV install.
==Expansion bay==
The 500 series of PowerBooks included the ability to use two batteries at the same time, allowing for 4 hours of battery life from two installed charged batteries. However, the left battery also had an internal PDS slot that allowed for custom modules to be installed. Despite prototypes having been made, only two devices reached the market.
===PCMCIA "card cage"===
One is the [[PCMCIA]] module. There were three versions; RevA, RevB and RevC. The RevC is the most useful as it can take 16bit Wi-Fi cards, allowing the possibility to get a Powerbook 5xx connected online or in the home network using a technology that was developed after the Powerbook 5xxs were discontinued by Apple. The different revisions of the PCMCIA module were released by Apple to accommodate the developing PCMCIA standard. These modules are difficult to find, and the RevC module is in particular demand because it alone works with 16-bit [[WiFi]] cards. <br>
PC Card (PCMCIA) cage, 16-bit, 2 Type I/II or 1 Type III cards, using a 68000 CPU to convert the PC Card protocol to PDS.
===FPU coprocessor===
The other is the FPU coprocessor, to make up for the lack of one in the PowerBook's 68LC040 CPU.
The FPU module uses a 68882 FPU coprocessor made by Sonnet.
==Production==
In total, almost 600,000 PowerBook 500 series units were produced, compared to 300,000 [[PowerBook 5300]] units.
== Models ==
[[File:PowerBook520c 550c.jpg|thumb|200px|PowerBook 520c and 550c]]
[[File:PowerBook520c.jpg|thumb|200px|An Apple PowerBook 520c]]
{{All are obsolete}}
{| class="wikitable mw-collapsible" style="font-size:small; text-align:center"
! colspan=2 |
! style="background:#FF9999" | PowerBook 520
! style="background:#FF9999" | PowerBook 520c
! style="background:#FF9999" | PowerBook 540
! style="background:#FF9999" | PowerBook 540c<ref>{{Citation |title=apple-history.com / PowerBook 520c |url=https://apple-history.com/520c |access-date=2022-04-20 |archive-date=May 18, 2022 |archive-url=https://web.archive.org/web/20220518163859/https://apple-history.com/520c |url-status=live }}</ref>
! style="background:#FF9999" | PowerBook 550c
|-
! rowspan=2 | Timeline
! Introduced
| colspan=4 | May 16, 1994
| May 30, 1995
|-
! Discontinued
| June 10, 1995
| September 16, 1995
| October 17, 1994
| August 26, 1995
| April 1, 1996
|-
! rowspan=4 | Model
! Model number
| colspan=5 | M4880
|-
! Gestalt ID
| colspan=5 | 72
|-
! Codename
| colspan=2 | "BlackBird LC"
| colspan=2 | "BlackBird," "SR-71," "Spruce Goose"
| "Banzai"
|-
! Apple part (Order/SKU) no.
| M3981
| M3984
| M2807
| M2809
| M4286
|-
! rowspan=4 | Performance
! Processor
| colspan=4 | [[68LC040]]
| [[68040]]
|-
! CPU
|
|
|-
! Built-in RAM
| colspan=5 | 4 MB
|-
! Maximum RAM
| colspan=5 | 36 MB
|-
! colspan=2 | Hard drive
| 160 or 240 MB
| 160, 240, or 320 MB
| 240–320 MB
|
| 750 MB
|-
! rowspan=3 | Video
! Display
| 9.5" B&W, Dual scan passive
| 9.5" Color, Dual scan passive
| 9.5" B
| 9.5" Color, Active Matrix
| 10.4" Color, Active Matrix
|-
! LCD resolution
| colspan=5 | 640×480
|-
! Colors
| 16
| 256
| 64{{Efn|64 grays, though can be set to 256 grays.}}
| colspan=2 | Thousands{{Efn|32,768 colors at 640×400, or 256 colors at regular 640×480}}
|-
! rowspan=2 | OS
! Shipped with
| colspan=4 | 7.1.1
| 7.5
|-
! Maximum
| colspan=5 | 8.1
|}
==
{| class ="wikitable" align="center"
! Resolution*
! Frequency
! Monitor type
! LCD bit depth
! External bit depth
|-
| 512×384
| 60 Hz
| MultiSync
| n/a
| 8-bit (256 color/gray)
|-
| 640×400
|
| built-in LCD
| 15-bit (32,768 color/gray)
| n/a
|-
| 640×480
| 67 Hz
| VGA
| 8-bit (256 color/gray)
| 8-bit (256 color/gray)
|-
| 640×870
| 75 Hz
| Macintosh Portrait Display
| rowspan="4" | n/a
| 8-bit (256 gray)
|-
| 800×600
| 56 Hz
| SVGA
| rowspan="2" | 8-bit (256 color/gray)
|-
| 832×624
| 75 Hz
| MultiSync
|-
| 1024×768
| 60 Hz
| XVGA/VESA
| 4-bit (16 gray)
|-
|colspan="6"|<small>This a listing of all the resolutions and colors supported. </small>
|-
|colspan="6"|<small>*To access the resolutions in the PowerBook, look in the "Monitors and Sound" control panel and list resolutions, or for older "Monitors control" 'Option-click Option' for listing.</small>
|-
|}
== CPU upgrades ==
{| class ="wikitable" align="center"
! Model
! Sonnet
! Apple
! NUpowr 117
! NUpowr 167
! NUpowr 183
! NUpowr G3
|-
! Maker
| Sonnet
| Apple
| colspan="4" | Newer Technology
|-
! Processor
| 68040
| colspan="2" | PowerPC 603e
| colspan="2" | PowerPC 603ev
| PowerPC 740
|-
! CPU speed
| 66/33 MHz
| 99 MHz
| 117 MHz
| 167 MHz
| 183 MHz
| 223 MHz?
|-
! L2 cache
| colspan="4" | none
| 128 kB
| 512 kB?
|-
! Included RAM (MB)
| 4 MB
| 8 MB
| 0, 4, or 8 MB
| 0 or 8 MB
| 0 or 24 MB#
| 24 MB?#
|-
! Produced
| unknown
| 6000
|colspan="3"| "excess of 15,000" of all types of NUpowr versions
| (prototypes only)
|-
! Notes
|
| M3081LL/A
|
| most numerous version
|
|
|-
|colspan="7"|<small># To fit the additional RAM in, removal of the modem daughter card is required.</small>
|-
|-
|colspan="7"|<small>? Newer Technology never divulged the specifications for the G3 upgrade; estimate based on current technology.</small>
|-
|}
== Legacy ==
Most laptops had grayscale displays, mono speakers with only 8-bit audio out, and insufficient battery life, and some had side-mounted snap-on track balls.{{Says who|date=June 2016}} With the built-in Ethernet (via a versatile [[Apple Attachment Unit Interface|AAUI]] transceiver), [[SCSI]] port (forerunner of today’s [[FireWire]]) and [[Apple Desktop Bus|ADB]] (similar to [[USB]]), it had all the features of desktops at that time, making them the first{{Citation needed|date=May 2017}} viable [[desktop replacement]] laptops.
==In popular culture==
* [[Sandra Bullock]] prominently uses a PowerBook 540c (and also a [[PowerBook Duo|PowerBook Duo 280c]]) in the movie ''[[The Net (1995 film)|The Net]]'' (1995).
* The Powerbook 540c is used by both [[Antonio Banderas]] and [[Sylvester Stallone]] in the movie ''[[Assassins (1995 film)]]''.
== Timeline ==
{{Timeline of portable Macintoshes}}
== Notes ==
{{Notelist}}
== References ==
{{Reflist}}
== External links ==
* {{webarchive |url=https://web.archive.org/web/20060216051222/http://www.macopinion.com/columns/roadwarrior/00/09/13/index.html |date=February 16, 2006 |title=MacOpinion Retrospective: the Powerbook 500 Series }}
* [https://web.archive.org/web/20110519052431/http://archive.computerhistory.org/resources/physical-object/apple/102633215.sm.jpg Item 102633215 in the Computer History Museum]
{{Apple hardware before 1998}}
[[Category:PowerBook|500]]
[[Category:68k Macintosh computers]]
[[Category:Computer-related introductions in 1994]]
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